Load and tidy data sets
Risk Factor Analysis
## Start: AIC=572.55
## isolate ~ year + school + school_year + sex + shares_drinks
##
## Df Deviance AIC
## - school_year 3 557.93 567.93
## - shares_drinks 1 557.53 571.53
## - school 1 558.52 572.52
## <none> 556.55 572.55
## - year 1 564.05 578.05
## - sex 1 568.13 582.13
##
## Step: AIC=567.93
## isolate ~ year + school + sex + shares_drinks
##
## Df Deviance AIC
## - shares_drinks 1 559.75 567.75
## <none> 557.93 567.93
## - school 1 563.05 571.05
## + school_year 3 556.55 572.55
## - sex 1 569.32 577.32
## - year 1 574.20 582.20
##
## Step: AIC=567.75
## isolate ~ year + school + sex
##
## Df Deviance AIC
## <none> 559.75 567.75
## + shares_drinks 1 557.93 567.93
## + school_year 3 557.53 571.53
## - school 1 565.73 571.73
## - sex 1 573.71 579.71
## - year 1 576.18 582.18
| Characteristic |
OR |
95% CI |
p-value |
| year |
|
|
|
| Â Â Â Â 1 |
— |
— |
|
| Â Â Â Â 2 |
2.26 |
1.52, 3.37 |
<0.001 |
| school |
|
|
|
| Â Â Â Â 1 |
— |
— |
|
| Â Â Â Â 2 |
0.50 |
0.28, 0.87 |
0.016 |
| sex |
|
|
|
| Â Â Â Â F |
— |
— |
|
| Â Â Â Â M |
2.12 |
1.43, 3.16 |
<0.001 |
## Tjur's R2
## 0.08741338
Network Plots
Strain Type

School Year

Gender segregation

Sharing Drinks

Single School, Comparisons (Main Manuscript)

Network statistics
## # A tibble: 4 × 5
## # Groups: school [2]
## school year edges nodes participants
## <int> <int> <int> <int> <int>
## 1 1 1 1330 562 183
## 2 1 2 1263 507 185
## 3 2 1 355 225 45
## 4 2 2 200 145 20


| Characteristic |
School 1, Year 1
|
School 1, Year 2
|
School 2, Year 1
|
School 2, Year 2
|
| Median (95% CI) |
Median (95% CI) |
Median (95% CI) |
Median (95% CI) |
| Clustering Coefficient |
0.412 (0.394, 0.429) |
0.425 (0.401, 0.445) |
0.494 (0.453, 0.509) |
0.4091 (0.4091, 0.4091) |
| Reciprocity |
0.468 (0.435, 0.502) |
0.445 (0.410, 0.478) |
0.43 (0.37, 0.50) |
0.55 (0.45, 0.64) |
| Mean Distance |
6.93 (6.10, 7.65) |
8.05 (7.04, 9.31) |
3.23 (2.80, 3.45) |
2.0200 (2.0200, 2.0200) |
| No. of Communities |
37.0 (30.0, 43.0) |
29.00 (24.00, 35.00) |
13.00 (11.00, 15.00) |
12.00 (9.00, 13.00) |
| Community Size |
61.4 (51.5, 74.1) |
61.1 (53.8, 69.9) |
18.38 (16.73, 21.07) |
7.50 (7.50, 8.60) |
| Characteristic |
Year 1 (95% CI) |
Year 2 (95% CI) |
| Assortativity (Year) |
0.92 (0.89, 0.94) |
0.80 (0.76, 0.84) |
| Assortativity (Gender) |
0.61 (0.57, 0.66) |
0.77 (0.73, 0.80) |
| Assortativity (Shares Drinks) |
0.27 (0.21, 0.32) |
0.22 (0.17, 0.27) |
| Assortativity (Shares Drinks M) |
0.01 (-0.09, 0.10) |
0.01 (-0.07, 0.10) |
| Assortativity (Shares Drinks F) |
0.33 (0.26, 0.40) |
0.34 (0.27, 0.42) |
| Assortativity (Swab 1) |
0.00 (-0.05, 0.06) |
0.05 (0.00, 0.11) |
| Assortativity (Swab 2) |
0.00 (-0.05, 0.06) |
0.05 (-0.01, 0.10) |
## starts_with("assortativity") ~ "continuous"